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What do querySelectorAll and getElementsBy* methods return?
...e unique and thus the function always returns exactly one element (or null if none was found).
However, getElementsByClassName(), querySelectorAll(), and other getElementsBy* methods return an array-like collection of elements. Iterate over it like you would with a real array:
var elems = document...
How to use PHP OPCache?
...e next visit.
opcache_reset();
opcache_invalidate():
Invalidates a specific cached script. Meaning the script will be parsed again on the next visit.
opcache_invalidate('/path/to/script/to/invalidate.php', true);
Maintenance and reports
There are some GUI's created to help maintain OpCache a...
Access Control Request Headers, is added to header in AJAX request with jQuery
...izationToken);
},
url: "entities",
data: "json=" + escape(JSON.stringify(createRequestObject)),
processData: false,
success: function(msg) {
$("#results").append("The result =" + StringifyPretty(msg));
}
});
...
How to print a float with 2 decimal places in Java?
...esentation of a floating-point number (f) from the start of the format specifier (%).
There are other conversion characters you can use besides f:
d: decimal integer
o: octal integer
e: floating-point in scientific notation
...
How to cancel a local git commit
...
@feresr If you really did not touch those files in the last commit or in the working tree this is caused by other inconsistencies in your working tree, e.g. you're on Windows and file endings do not match.
– Kor...
Sleep Command in T-SQL?
... web service asynchronously and I want to be able to run some tests to see if the asynchronous pattern is really going to make it more scalable. In order to "mock" an external service that is slow, I want to be able to call a SQL server with a script that runs slowly, but isn't actually processing ...
SQL Server Insert if not exists
...SUNTO
AND Data = @_DATA);
END
replace with
BEGIN
IF NOT EXISTS (SELECT * FROM EmailsRecebidos
WHERE De = @_DE
AND Assunto = @_ASSUNTO
AND Data = @_DATA)
BEGIN
INSERT INTO EmailsRecebidos (De, Assunto, Data)...
using awk with column value conditions
...
If you're looking for a particular string, put quotes around it:
awk '$1 == "findtext" {print $3}'
Otherwise, awk will assume it's a variable name.
...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...
Is it also possible to do this for the height dimension if the screen gets smaller?
– confile
Jan 14 '14 at 0:43
...
Escape single quote character for use in an SQLite query
...
Also, consider using bound parameters if the host language supports them (most do, but the SQLite shell doesn't). The SQL would then be INSERT INTO table_name (field1, field2) VALUES (?, ?) and the values would be supplied directly (and without substitutions).
...